html,body{
    margin:0px;
}
h1{
    text-indent: -9999px;
}
#wrapper{
    display: grid;
    grid-template-rows: 40px 30px auto 40px;
    grid-template-columns: 200px auto 200px;
    grid-template-areas: "header header header"
                        "menu menu menu"
                        "left article right"
                        "footer footer footer"
}
#article,#right{
    border:1px #ccc solid;
}
#header{
    grid-area: header;
    background-color: rgb(236, 67, 15);
    background:-webkit-linear-gradient(top,rgb(236, 67, 15),white);
}
#menu{
    margin:2px;
    grid-area: menu;
}
#left{
    margin-left:2px;
    grid-area:left;
}
#article{
    margin:0px 2px;
    grid-area:article;
}
#right{
    margin-right:2px;
    grid-area:right;
}
#footer{
    margin-top:2px;
    grid-area:footer;
    position:absolute;
    bottom:0px;
    width:100vw;
    height: 3.4rem;
    text-align: center;
    background-image:-webkit-linear-gradient(bottom,rgb(236, 67, 15),white);
}
#mainPage{
    width:100%;
    height:100%;
    border:0px;
}
#topMenu{
    margin:2px auto 0px auto;
    padding-left:2rem;
    overflow: hidden;
}
#topMenu li:last-child{
    border-right:2px #f00 solid;
}
.topMenuLi{
    list-style:none;
    width:8rem;
    float:left;
    margin:0px;
    font-size:1.2rem;
    margin-bottom:2px;
    border-left:2px #f00 solid;
    text-align: center;
}
.topMenuli_image{
    display: inline-block;
    width:16px;
    height: 17px;
    margin-top:2px;
}
.image_newAtricle{
    background-image:url(../img/small_icons.jpg);
    background-repeat:no-repeat;
    background-size:450px 450px;
    background-position: -123px -130px;
}
.image_firstPage{
    background-image:url(../img/small_icons.jpg);
    background-repeat:no-repeat;
    background-size:450px 450px;
    background-position: -20px -72px;  
}
#topLeftMenu{
    float: right;
    margin:0px 10px 0px 0px;
}
.topLeftMenuLi{
    list-style: none;
    float: left;
    margin-left:20px;
    line-height: 30px;
}
#leftMenu{
    padding:0px;
}
.leftMenuLi1{
    list-style: none;
    border:1px #ccc solid;
    margin:2px 10px 1px;
    padding-left:0.5rem;
    font:bold 1.2rem/1.8rem '宋体';
    height:2rem;
    background-image:-webkit-linear-gradient(top,rgb(236, 67, 15),white);
}
#leftSubMenu{
    padding-left:0.8rem;
}
.leftMenuLi2{
    list-style:none;
    border:1px #ccc solid;
    cursor: pointer;
    margin-right:10px;
    margin-bottom:2px;
    padding-left:20px;
}
.leftMenuLi1_image{
    width:16px;
    height: 17px;
    float: right;
    margin-right:8px;
    margin-top:4px;
    background-image:url("../img/small_icons.jpg");
    background-repeat:no-repeat; 
    background-size:450px 450px;
    background-position:-72px -361px;
    cursor: pointer;
    transform:rotate(-90deg);
}
